1401427215 has 48 divisors (see below), whose sum is σ = 2604700800. Its totient is φ = 694526976.

The previous prime is 1401427201. The next prime is 1401427253. The reversal of 1401427215 is 5127241041.

1401427215 is a `hidden beast` number, since 1 + 401 + 42 + 7 + 215 = 666.

1401427215 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1401427215 - 2⁶ = 1401427151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48841 + ... + 72029.

It is an arithmetic number, because the mean of its divisors is an integer number (54264600).

Almost surely, 2^1401427215 is an apocalyptic number.

1401427215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401427215 is a deficient number, since it is larger than the sum of its proper divisors (1203273585).

1401427215 is a wasteful number, since it uses less digits than its factorization.

1401427215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23296 (or 23293 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1401427215 is about 37435.6409722072. The cubic root of 1401427215 is about 1119.0689581282.

Adding to 1401427215 its reverse (5127241041), we get a palindrome (6528668256).

The spelling of 1401427215 in words is "one billion, four hundred one million, four hundred twenty-seven thousand, two hundred fifteen".